Image Comparator

Compare two images side by side with a swipe slider, difference overlay and pixel-level diff highlighting.

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Drag the white divider to wipe between the images; the diff renders in-browser — your photos never leave this device.

About Image Comparator

Compare two images side by side with a swipe slider, difference overlay and pixel-level diff highlighting.

Image Comparator processes your images locally in the browser: upload or drop a file, adjust the settings, and download the result — the file never leaves your device.

How to Use Image Comparator

  1. Upload an image by choosing a file or dragging it onto the tool.
  2. Adjust the options (size, format, quality or filters) as needed.
  3. Preview the result instantly.
  4. Download the processed image with one click.

Key Features

  • Files are processed on your device — nothing is uploaded to a server.
  • Supports the popular image formats you use every day.
  • Instant preview so you can fine-tune the output before saving.

Frequently Asked Questions

Are my images uploaded anywhere?

No. Image Comparator processes images directly in your browser using local APIs, so your photos stay on your device.

Is Image Comparator free to use?

Yes. Image Comparator is completely free with unlimited use — no account, download or payment required.

Is my data uploaded to a server?

No. Image Comparator runs entirely in your browser. Your inputs are never sent to our servers or stored anywhere.

Does Image Comparator work on mobile?

Yes. The interface is fully responsive and works in any modern browser on Android, iPhone, tablets and desktops.

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